1 | #define PERL_NO_GET_CONTEXT |
1 | #define _XOPEN_SOURCE 500 |
2 | |
2 | |
3 | #include "EXTERN.h" |
3 | #include "EXTERN.h" |
4 | #include "perl.h" |
4 | #include "perl.h" |
5 | #include "XSUB.h" |
5 | #include "XSUB.h" |
6 | |
6 | |
7 | #include <sys/types.h> |
7 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
8 | #include <sys/stat.h> |
|
|
9 | |
9 | #include <unistd.h> |
10 | #include <unistd.h> |
10 | #include <fcntl.h> |
11 | #include <fcntl.h> |
11 | #include <signal.h> |
12 | #include <signal.h> |
12 | #include <sched.h> |
13 | #include <sched.h> |
13 | #include <endian.h> |
14 | #if __linux |
|
|
15 | #include <sys/syscall.h> |
|
|
16 | #endif |
14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | #include <sys/syscall.h> |
|
|
17 | |
19 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | |
23 | |
22 | #if __i386 || __amd64 |
|
|
23 | # define STACKSIZE ( 256 * sizeof (long)) |
|
|
24 | #elif __ia64 |
24 | #if __ia64 |
25 | # define STACKSIZE (8192 * sizeof (long)) |
25 | # define STACKSIZE 65536 |
26 | #else |
26 | #else |
27 | # define STACKSIZE ( 512 * sizeof (long)) |
27 | # define STACKSIZE 4096 |
28 | #endif |
28 | #endif |
29 | |
29 | |
30 | enum { |
30 | enum { |
31 | REQ_QUIT, |
31 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
… | |
… | |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
36 | }; |
36 | }; |
37 | |
37 | |
38 | typedef struct aio_cb { |
38 | typedef struct aio_cb { |
39 | struct aio_cb *next; |
39 | struct aio_cb *volatile next; |
40 | |
40 | |
41 | int type; |
41 | int type; |
42 | |
42 | |
43 | int fd; |
43 | int fd; |
44 | off_t offset; |
44 | off_t offset; |
… | |
… | |
54 | } aio_cb; |
54 | } aio_cb; |
55 | |
55 | |
56 | typedef aio_cb *aio_req; |
56 | typedef aio_cb *aio_req; |
57 | |
57 | |
58 | static int started; |
58 | static int started; |
59 | static int nreqs; |
59 | static volatile int nreqs; |
|
|
60 | static int max_outstanding = 1<<30; |
60 | static int reqpipe[2], respipe[2]; |
61 | static int respipe [2]; |
61 | |
62 | |
|
|
63 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
|
|
64 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
65 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
66 | |
62 | static aio_req qs, qe; /* queue start, queue end */ |
67 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
|
|
68 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
69 | |
|
|
70 | static void |
|
|
71 | poll_wait () |
|
|
72 | { |
|
|
73 | if (nreqs && !ress) |
|
|
74 | { |
|
|
75 | fd_set rfd; |
|
|
76 | FD_ZERO(&rfd); |
|
|
77 | FD_SET(respipe [0], &rfd); |
|
|
78 | |
|
|
79 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
80 | } |
|
|
81 | } |
|
|
82 | |
|
|
83 | static int |
|
|
84 | poll_cb () |
|
|
85 | { |
|
|
86 | dSP; |
|
|
87 | int count = 0; |
|
|
88 | aio_req req, prv; |
|
|
89 | |
|
|
90 | pthread_mutex_lock (&reslock); |
|
|
91 | |
|
|
92 | { |
|
|
93 | /* read any signals sent by the worker threads */ |
|
|
94 | char buf [32]; |
|
|
95 | while (read (respipe [0], buf, 32) > 0) |
|
|
96 | ; |
|
|
97 | } |
|
|
98 | |
|
|
99 | req = ress; |
|
|
100 | ress = rese = 0; |
|
|
101 | |
|
|
102 | pthread_mutex_unlock (&reslock); |
|
|
103 | |
|
|
104 | while (req) |
|
|
105 | { |
|
|
106 | nreqs--; |
|
|
107 | |
|
|
108 | if (req->type == REQ_QUIT) |
|
|
109 | started--; |
|
|
110 | else |
|
|
111 | { |
|
|
112 | int errorno = errno; |
|
|
113 | errno = req->errorno; |
|
|
114 | |
|
|
115 | if (req->type == REQ_READ) |
|
|
116 | SvCUR_set (req->data, req->dataoffset |
|
|
117 | + req->result > 0 ? req->result : 0); |
|
|
118 | |
|
|
119 | if (req->data) |
|
|
120 | SvREFCNT_dec (req->data); |
|
|
121 | |
|
|
122 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
123 | { |
|
|
124 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
125 | PL_laststatval = req->result; |
|
|
126 | PL_statcache = *(req->statdata); |
|
|
127 | |
|
|
128 | Safefree (req->statdata); |
|
|
129 | } |
|
|
130 | |
|
|
131 | PUSHMARK (SP); |
|
|
132 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
133 | |
|
|
134 | if (req->type == REQ_OPEN) |
|
|
135 | { |
|
|
136 | /* convert fd to fh */ |
|
|
137 | SV *fh; |
|
|
138 | |
|
|
139 | PUTBACK; |
|
|
140 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
141 | SPAGAIN; |
|
|
142 | |
|
|
143 | fh = POPs; |
|
|
144 | |
|
|
145 | PUSHMARK (SP); |
|
|
146 | XPUSHs (fh); |
|
|
147 | } |
|
|
148 | |
|
|
149 | if (SvOK (req->callback)) |
|
|
150 | { |
|
|
151 | PUTBACK; |
|
|
152 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
153 | SPAGAIN; |
|
|
154 | } |
|
|
155 | |
|
|
156 | if (req->callback) |
|
|
157 | SvREFCNT_dec (req->callback); |
|
|
158 | |
|
|
159 | errno = errorno; |
|
|
160 | count++; |
|
|
161 | } |
|
|
162 | |
|
|
163 | prv = req; |
|
|
164 | req = req->next; |
|
|
165 | Safefree (prv); |
|
|
166 | |
|
|
167 | /* TODO: croak on errors? */ |
|
|
168 | } |
|
|
169 | |
|
|
170 | return count; |
|
|
171 | } |
63 | |
172 | |
64 | static void *aio_proc(void *arg); |
173 | static void *aio_proc(void *arg); |
65 | |
174 | |
66 | static void |
175 | static void |
67 | start_thread (void) |
176 | start_thread (void) |
… | |
… | |
82 | |
191 | |
83 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
192 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
84 | } |
193 | } |
85 | |
194 | |
86 | static void |
195 | static void |
87 | send_reqs (void) |
|
|
88 | { |
|
|
89 | /* this write is atomic */ |
|
|
90 | while (qs && write (reqpipe[1], &qs, sizeof qs) == sizeof qs) |
|
|
91 | { |
|
|
92 | qs = qs->next; |
|
|
93 | if (!qs) qe = 0; |
|
|
94 | } |
|
|
95 | } |
|
|
96 | |
|
|
97 | static void |
|
|
98 | send_req (aio_req req) |
196 | send_req (aio_req req) |
99 | { |
197 | { |
100 | nreqs++; |
198 | nreqs++; |
|
|
199 | |
|
|
200 | pthread_mutex_lock (&reqlock); |
|
|
201 | |
101 | req->next = 0; |
202 | req->next = 0; |
102 | |
203 | |
103 | if (qe) |
204 | if (reqe) |
104 | { |
205 | { |
105 | qe->next = req; |
206 | reqe->next = req; |
106 | qe = req; |
207 | reqe = req; |
107 | } |
208 | } |
108 | else |
209 | else |
109 | qe = qs = req; |
210 | reqe = reqs = req; |
110 | |
211 | |
111 | send_reqs (); |
212 | pthread_cond_signal (&reqwait); |
|
|
213 | pthread_mutex_unlock (&reqlock); |
|
|
214 | |
|
|
215 | while (nreqs > max_outstanding) |
|
|
216 | { |
|
|
217 | poll_wait (); |
|
|
218 | poll_cb (); |
|
|
219 | } |
112 | } |
220 | } |
113 | |
221 | |
114 | static void |
222 | static void |
115 | end_thread (void) |
223 | end_thread (void) |
116 | { |
224 | { |
… | |
… | |
120 | |
228 | |
121 | send_req (req); |
229 | send_req (req); |
122 | } |
230 | } |
123 | |
231 | |
124 | static void |
232 | static void |
125 | read_write (pTHX_ |
|
|
126 | int dowrite, int fd, off_t offset, size_t length, |
233 | read_write (int dowrite, int fd, off_t offset, size_t length, |
127 | SV *data, STRLEN dataoffset, SV *callback) |
234 | SV *data, STRLEN dataoffset, SV *callback) |
128 | { |
235 | { |
129 | aio_req req; |
236 | aio_req req; |
130 | STRLEN svlen; |
237 | STRLEN svlen; |
131 | char *svptr = SvPV (data, svlen); |
238 | char *svptr = SvPV (data, svlen); |
… | |
… | |
168 | req->callback = SvREFCNT_inc (callback); |
275 | req->callback = SvREFCNT_inc (callback); |
169 | |
276 | |
170 | send_req (req); |
277 | send_req (req); |
171 | } |
278 | } |
172 | |
279 | |
173 | static void |
|
|
174 | poll_wait () |
|
|
175 | { |
|
|
176 | fd_set rfd; |
|
|
177 | FD_ZERO(&rfd); |
|
|
178 | FD_SET(respipe[0], &rfd); |
|
|
179 | |
|
|
180 | select (respipe[0] + 1, &rfd, 0, 0, 0); |
|
|
181 | } |
|
|
182 | |
|
|
183 | static int |
|
|
184 | poll_cb (pTHX) |
|
|
185 | { |
|
|
186 | dSP; |
|
|
187 | int count = 0; |
|
|
188 | aio_req req; |
|
|
189 | |
|
|
190 | while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
|
|
191 | { |
|
|
192 | nreqs--; |
|
|
193 | |
|
|
194 | if (req->type == REQ_QUIT) |
|
|
195 | started--; |
|
|
196 | else |
|
|
197 | { |
|
|
198 | int errorno = errno; |
|
|
199 | errno = req->errorno; |
|
|
200 | |
|
|
201 | if (req->type == REQ_READ) |
|
|
202 | SvCUR_set (req->data, req->dataoffset |
|
|
203 | + req->result > 0 ? req->result : 0); |
|
|
204 | |
|
|
205 | if (req->data) |
|
|
206 | SvREFCNT_dec (req->data); |
|
|
207 | |
|
|
208 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
209 | { |
|
|
210 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
211 | PL_laststatval = req->result; |
|
|
212 | PL_statcache = *(req->statdata); |
|
|
213 | |
|
|
214 | Safefree (req->statdata); |
|
|
215 | } |
|
|
216 | |
|
|
217 | PUSHMARK (SP); |
|
|
218 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
219 | |
|
|
220 | if (req->type == REQ_OPEN) |
|
|
221 | { |
|
|
222 | /* convert fd to fh */ |
|
|
223 | SV *fh; |
|
|
224 | |
|
|
225 | PUTBACK; |
|
|
226 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
227 | SPAGAIN; |
|
|
228 | |
|
|
229 | fh = POPs; |
|
|
230 | |
|
|
231 | PUSHMARK (SP); |
|
|
232 | XPUSHs (fh); |
|
|
233 | } |
|
|
234 | |
|
|
235 | PUTBACK; |
|
|
236 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
237 | SPAGAIN; |
|
|
238 | |
|
|
239 | if (req->callback) |
|
|
240 | SvREFCNT_dec (req->callback); |
|
|
241 | |
|
|
242 | errno = errorno; |
|
|
243 | count++; |
|
|
244 | } |
|
|
245 | |
|
|
246 | Safefree (req); |
|
|
247 | } |
|
|
248 | |
|
|
249 | if (qs) |
|
|
250 | send_reqs (); |
|
|
251 | |
|
|
252 | return count; |
|
|
253 | } |
|
|
254 | |
|
|
255 | static void * |
280 | static void * |
256 | aio_proc (void *thr_arg) |
281 | aio_proc (void *thr_arg) |
257 | { |
282 | { |
258 | aio_req req; |
283 | aio_req req; |
|
|
284 | int type; |
259 | |
285 | |
260 | /* then loop */ |
286 | do |
261 | while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
|
|
262 | { |
287 | { |
|
|
288 | pthread_mutex_lock (&reqlock); |
|
|
289 | |
|
|
290 | for (;;) |
|
|
291 | { |
|
|
292 | req = reqs; |
|
|
293 | |
|
|
294 | if (reqs) |
|
|
295 | { |
|
|
296 | reqs = reqs->next; |
|
|
297 | if (!reqs) reqe = 0; |
|
|
298 | } |
|
|
299 | |
|
|
300 | if (req) |
|
|
301 | break; |
|
|
302 | |
|
|
303 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
304 | } |
|
|
305 | |
|
|
306 | pthread_mutex_unlock (&reqlock); |
|
|
307 | |
263 | errno = 0; /* strictly unnecessary */ |
308 | errno = 0; /* strictly unnecessary */ |
264 | |
309 | |
|
|
310 | type = req->type; |
|
|
311 | |
265 | switch (req->type) |
312 | switch (type) |
266 | { |
313 | { |
267 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
314 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
268 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
315 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
269 | #if SYS_readahead |
316 | #if SYS_readahead |
270 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
317 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
271 | #else |
318 | #else |
272 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
319 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
273 | #endif |
320 | #endif |
… | |
… | |
282 | |
329 | |
283 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
330 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
284 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
331 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
285 | |
332 | |
286 | case REQ_QUIT: |
333 | case REQ_QUIT: |
287 | write (respipe[1], (void *)&req, sizeof (req)); |
334 | break; |
288 | return 0; |
|
|
289 | |
335 | |
290 | default: |
336 | default: |
291 | req->result = ENOSYS; |
337 | req->result = ENOSYS; |
292 | break; |
338 | break; |
293 | } |
339 | } |
294 | |
340 | |
295 | req->errorno = errno; |
341 | req->errorno = errno; |
296 | write (respipe[1], (void *)&req, sizeof (req)); |
342 | |
|
|
343 | pthread_mutex_lock (&reslock); |
|
|
344 | |
|
|
345 | req->next = 0; |
|
|
346 | |
|
|
347 | if (rese) |
|
|
348 | { |
|
|
349 | rese->next = req; |
|
|
350 | rese = req; |
|
|
351 | } |
|
|
352 | else |
|
|
353 | { |
|
|
354 | rese = ress = req; |
|
|
355 | |
|
|
356 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
357 | write (respipe [1], &respipe, 1); |
|
|
358 | } |
|
|
359 | |
|
|
360 | pthread_mutex_unlock (&reslock); |
297 | } |
361 | } |
|
|
362 | while (type != REQ_QUIT); |
298 | |
363 | |
299 | return 0; |
364 | return 0; |
300 | } |
365 | } |
301 | |
366 | |
302 | MODULE = IO::AIO PACKAGE = IO::AIO |
367 | MODULE = IO::AIO PACKAGE = IO::AIO |
303 | |
368 | |
|
|
369 | PROTOTYPES: ENABLE |
|
|
370 | |
304 | BOOT: |
371 | BOOT: |
305 | { |
372 | { |
306 | if (pipe (reqpipe) || pipe (respipe)) |
373 | if (pipe (respipe)) |
307 | croak ("unable to initialize request or result pipe"); |
374 | croak ("unable to initialize result pipe"); |
308 | |
375 | |
309 | if (fcntl (reqpipe[1], F_SETFL, O_NONBLOCK)) |
376 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
310 | croak ("cannot set result pipe to nonblocking mode"); |
377 | croak ("cannot set result pipe to nonblocking mode"); |
311 | |
378 | |
312 | if (fcntl (respipe[0], F_SETFL, O_NONBLOCK)) |
379 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
313 | croak ("cannot set result pipe to nonblocking mode"); |
380 | croak ("cannot set result pipe to nonblocking mode"); |
314 | } |
381 | } |
315 | |
382 | |
316 | void |
383 | void |
317 | min_parallel(nthreads) |
384 | min_parallel(nthreads) |
… | |
… | |
335 | } |
402 | } |
336 | |
403 | |
337 | while (started > nthreads) |
404 | while (started > nthreads) |
338 | { |
405 | { |
339 | poll_wait (); |
406 | poll_wait (); |
340 | poll_cb (aTHX); |
407 | poll_cb (); |
341 | } |
408 | } |
342 | } |
409 | } |
343 | |
410 | |
|
|
411 | int |
|
|
412 | max_outstanding(nreqs) |
|
|
413 | int nreqs |
|
|
414 | PROTOTYPE: $ |
|
|
415 | CODE: |
|
|
416 | RETVAL = max_outstanding; |
|
|
417 | max_outstanding = nreqs; |
|
|
418 | |
344 | void |
419 | void |
345 | aio_open(pathname,flags,mode,callback) |
420 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
346 | SV * pathname |
421 | SV * pathname |
347 | int flags |
422 | int flags |
348 | int mode |
423 | int mode |
349 | SV * callback |
424 | SV * callback |
350 | PROTOTYPE: $$$$ |
425 | PROTOTYPE: $$$;$ |
351 | CODE: |
426 | CODE: |
352 | { |
427 | { |
353 | aio_req req; |
428 | aio_req req; |
354 | |
429 | |
355 | Newz (0, req, 1, aio_cb); |
430 | Newz (0, req, 1, aio_cb); |
… | |
… | |
366 | |
441 | |
367 | send_req (req); |
442 | send_req (req); |
368 | } |
443 | } |
369 | |
444 | |
370 | void |
445 | void |
371 | aio_close(fh,callback) |
446 | aio_close(fh,callback=&PL_sv_undef) |
372 | InputStream fh |
447 | InputStream fh |
373 | SV * callback |
448 | SV * callback |
374 | PROTOTYPE: $$ |
449 | PROTOTYPE: $;$ |
375 | ALIAS: |
450 | ALIAS: |
376 | aio_close = REQ_CLOSE |
451 | aio_close = REQ_CLOSE |
377 | aio_fsync = REQ_FSYNC |
452 | aio_fsync = REQ_FSYNC |
378 | aio_fdatasync = REQ_FDATASYNC |
453 | aio_fdatasync = REQ_FDATASYNC |
379 | CODE: |
454 | CODE: |
… | |
… | |
391 | |
466 | |
392 | send_req (req); |
467 | send_req (req); |
393 | } |
468 | } |
394 | |
469 | |
395 | void |
470 | void |
396 | aio_read(fh,offset,length,data,dataoffset,callback) |
471 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
397 | InputStream fh |
472 | InputStream fh |
398 | UV offset |
473 | UV offset |
399 | IV length |
474 | IV length |
400 | SV * data |
475 | SV * data |
401 | IV dataoffset |
476 | IV dataoffset |
402 | SV * callback |
477 | SV * callback |
403 | PROTOTYPE: $$$$$$ |
478 | PROTOTYPE: $$$$$;$ |
404 | CODE: |
479 | CODE: |
405 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
480 | read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
406 | |
481 | |
407 | void |
482 | void |
408 | aio_write(fh,offset,length,data,dataoffset,callback) |
483 | aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
409 | OutputStream fh |
484 | OutputStream fh |
410 | UV offset |
485 | UV offset |
411 | IV length |
486 | IV length |
412 | SV * data |
487 | SV * data |
413 | IV dataoffset |
488 | IV dataoffset |
414 | SV * callback |
489 | SV * callback |
415 | PROTOTYPE: $$$$$$ |
490 | PROTOTYPE: $$$$$;$ |
416 | CODE: |
491 | CODE: |
417 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
492 | read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
418 | |
493 | |
419 | void |
494 | void |
420 | aio_readahead(fh,offset,length,callback) |
495 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
421 | InputStream fh |
496 | InputStream fh |
422 | UV offset |
497 | UV offset |
423 | IV length |
498 | IV length |
424 | SV * callback |
499 | SV * callback |
425 | PROTOTYPE: $$$$ |
500 | PROTOTYPE: $$$;$ |
426 | CODE: |
501 | CODE: |
427 | { |
502 | { |
428 | aio_req req; |
503 | aio_req req; |
429 | |
504 | |
430 | if (length < 0) |
505 | if (length < 0) |
… | |
… | |
443 | |
518 | |
444 | send_req (req); |
519 | send_req (req); |
445 | } |
520 | } |
446 | |
521 | |
447 | void |
522 | void |
448 | aio_stat(fh_or_path,callback) |
523 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
449 | SV * fh_or_path |
524 | SV * fh_or_path |
450 | SV * callback |
525 | SV * callback |
451 | PROTOTYPE: $$ |
|
|
452 | ALIAS: |
526 | ALIAS: |
|
|
527 | aio_stat = REQ_STAT |
453 | aio_lstat = 1 |
528 | aio_lstat = REQ_LSTAT |
454 | CODE: |
529 | CODE: |
455 | { |
530 | { |
456 | aio_req req; |
531 | aio_req req; |
457 | |
532 | |
458 | Newz (0, req, 1, aio_cb); |
533 | Newz (0, req, 1, aio_cb); |
… | |
… | |
465 | if (!req->statdata) |
540 | if (!req->statdata) |
466 | croak ("out of memory during aio_req->statdata allocation"); |
541 | croak ("out of memory during aio_req->statdata allocation"); |
467 | |
542 | |
468 | if (SvPOK (fh_or_path)) |
543 | if (SvPOK (fh_or_path)) |
469 | { |
544 | { |
470 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
545 | req->type = ix; |
471 | req->data = newSVsv (fh_or_path); |
546 | req->data = newSVsv (fh_or_path); |
472 | req->dataptr = SvPV_nolen (req->data); |
547 | req->dataptr = SvPV_nolen (req->data); |
473 | } |
548 | } |
474 | else |
549 | else |
475 | { |
550 | { |
… | |
… | |
481 | |
556 | |
482 | send_req (req); |
557 | send_req (req); |
483 | } |
558 | } |
484 | |
559 | |
485 | void |
560 | void |
486 | aio_unlink(pathname,callback) |
561 | aio_unlink(pathname,callback=&PL_sv_undef) |
487 | SV * pathname |
562 | SV * pathname |
488 | SV * callback |
563 | SV * callback |
489 | PROTOTYPE: $$ |
|
|
490 | CODE: |
564 | CODE: |
491 | { |
565 | { |
492 | aio_req req; |
566 | aio_req req; |
493 | |
567 | |
494 | Newz (0, req, 1, aio_cb); |
568 | Newz (0, req, 1, aio_cb); |
… | |
… | |
502 | req->callback = SvREFCNT_inc (callback); |
576 | req->callback = SvREFCNT_inc (callback); |
503 | |
577 | |
504 | send_req (req); |
578 | send_req (req); |
505 | } |
579 | } |
506 | |
580 | |
|
|
581 | void |
|
|
582 | flush() |
|
|
583 | PROTOTYPE: |
|
|
584 | CODE: |
|
|
585 | while (nreqs) |
|
|
586 | { |
|
|
587 | poll_wait (); |
|
|
588 | poll_cb (); |
|
|
589 | } |
|
|
590 | |
|
|
591 | void |
|
|
592 | poll() |
|
|
593 | PROTOTYPE: |
|
|
594 | CODE: |
|
|
595 | if (nreqs) |
|
|
596 | { |
|
|
597 | poll_wait (); |
|
|
598 | poll_cb (); |
|
|
599 | } |
|
|
600 | |
507 | int |
601 | int |
508 | poll_fileno() |
602 | poll_fileno() |
509 | PROTOTYPE: |
603 | PROTOTYPE: |
510 | CODE: |
604 | CODE: |
511 | RETVAL = respipe[0]; |
605 | RETVAL = respipe [0]; |
512 | OUTPUT: |
606 | OUTPUT: |
513 | RETVAL |
607 | RETVAL |
514 | |
608 | |
515 | int |
609 | int |
516 | poll_cb(...) |
610 | poll_cb(...) |
517 | PROTOTYPE: |
611 | PROTOTYPE: |
518 | CODE: |
612 | CODE: |
519 | RETVAL = poll_cb (aTHX); |
613 | RETVAL = poll_cb (); |
520 | OUTPUT: |
614 | OUTPUT: |
521 | RETVAL |
615 | RETVAL |
522 | |
616 | |
523 | void |
617 | void |
524 | poll_wait() |
618 | poll_wait() |
525 | PROTOTYPE: |
619 | PROTOTYPE: |
526 | CODE: |
620 | CODE: |
|
|
621 | if (nreqs) |
527 | poll_wait (); |
622 | poll_wait (); |
528 | |
623 | |
529 | int |
624 | int |
530 | nreqs() |
625 | nreqs() |
531 | PROTOTYPE: |
626 | PROTOTYPE: |
532 | CODE: |
627 | CODE: |